US2968031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic micrometer
Assignee: North American Aviation Corp
•
Filing: 1955-02-24
•
Granted: 1961-01-10
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Walter H Higa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:45
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/16; G01B7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732625A
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US2414224A
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Cited
US2611964A
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US2548790A
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US2452156A
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FR1009689A
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US2703876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |